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Individual Calculations May 2010 |
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| Costin, Petrica Total change: -86.55 | |   |
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| Mircea Radulescu Memorial | Cluj-Napoca | ROU | 2010-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 2223 | 2.50 | 4 | -0.90 | 15 | -13.50 | |
|  Bonte, Arghir | | | 2003 | ROU | 0.00 | 1 | -0.78 | 15 | -11.70 | |  Szilveszter, Sandor | | | 1823 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Oltean, Stefan-Ioan | | | 1823 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Chima, Radu-Niculin | | | 2000 | ROU | 0.50 | 1 | -0.28 | 15 | -4.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Revolution 1848 Memorial | Debrecen | HUN | 2010-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 2301 | 0.50 | 3 | -2.18 | 15 | -32.70 | |
| | Ban, Daniel Peter | | | 1940 | HUN | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Kun, Imre | | | 1991 | HUN | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Magi, Tibor | | | 1901 * | HUN | 0.00 | 1 | -0.92 | 15 | -13.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Vointa-Informatia Zilei Cup | Satu Mare | ROU | 2010-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2301 | 3.00 | 7 | -2.69 | 15 | -40.35 | |
| | Tudor, Ioan | | | 1901 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Samu, Sorin-Mihai | | | 2131 | ROU | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Szabo, Iuliu | f | | 2228 | ROU | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Horvat, Dan-Sebastian | | | 2158 | ROU | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Doros, Doru-Lucian | | | 1901 * | ROU | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Nagy, Ludovic | | | 1901 * | ROU | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Farcas, Andrei | | | 1901 * | ROU | 0.00 | 1 | -0.92 | 15 | -13.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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